| Identification Data |
| Common Name | |
| Constellation | Lupus |
| Star Name | 4psi2Lup |
| Skymap Number | 15420091 |
| Henry Draper (HD) Number | 140008 |
| Harvard Revised (HR) Number | 5839 |
| SAO Number | 206889 |
| Durchmusterung (DM) Number | CD-3410494 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 294164 |
| Right Ascension (RA) J2000 | 15h 42m 41.020s |
| Declination (Dec) J2000 | -34° 42' 37.466" |
| Position Uncertainty | 0.0121s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00194 |
| Proper Motion in Dec (J2000) | -0.030466 |
| Radial Velocity | +003.9km s-1 |
| Trigonometric Parallax | +0.00824s |
| Trigonometric Parallax Uncertainty | 0.00084s |
| GCI Unit Vector in X (J2000) | -0.463586 |
| GCI Unit Vector in Y (J2000) | -0.678851 |
| GCI Unit Vector in Z (J2000) | -0.569429 |
| Galactic Longitude | 338.49° |
Galactic Latitude
| 16.08°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.73 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 4.60 |
| Observed B-V Colour | -0.132 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.002 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 4.6 |
| Observed Photographic Magnitude | 4.7 |
| Morgan Keenan (MK) Spectral Type | B5V |
| One-Dimensional Spectral Class | B5 |
| Position Angle | 157 |
| Year of Observation | 1987. AD |
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